33777/backend/src/db/seeders/20231127130745-sample-data.js

const db = require('../models');
const Users = db.users;

const Invoices = db.invoices;

const Orders = db.orders;

const Products = db.products;

const InvoicesData = [
  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    total_amount: 150,

    invoice_date: new Date('2023-10-06T15:00:00Z'),

    paid: true,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    total_amount: 300,

    invoice_date: new Date('2023-10-07T16:00:00Z'),

    paid: true,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    total_amount: 450,

    invoice_date: new Date('2023-10-08T17:00:00Z'),

    paid: true,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    total_amount: 200,

    invoice_date: new Date('2023-10-09T18:00:00Z'),

    paid: true,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    total_amount: 350,

    invoice_date: new Date('2023-10-10T19:00:00Z'),

    paid: false,
  },
];

const OrdersData = [
  {
    // type code here for "relation_one" field

    order_type: 'dtf_print',

    description: 'Custom logo embroidery on 50 shirts',

    order_date: new Date('2023-10-01T10:00:00Z'),

    status: 'pending',
  },

  {
    // type code here for "relation_one" field

    order_type: 'embroidery',

    description: 'DTF print on 100 tote bags',

    order_date: new Date('2023-10-02T11:00:00Z'),

    status: 'completed',
  },

  {
    // type code here for "relation_one" field

    order_type: 'dtf_print',

    description: 'Name embroidery on 30 caps',

    order_date: new Date('2023-10-03T12:00:00Z'),

    status: 'pending',
  },

  {
    // type code here for "relation_one" field

    order_type: 'dtf_print',

    description: 'DTF print on 200 t-shirts',

    order_date: new Date('2023-10-04T13:00:00Z'),

    status: 'in_progress',
  },

  {
    // type code here for "relation_one" field

    order_type: 'dtf_print',

    description: 'Custom patch embroidery on 10 jackets',

    order_date: new Date('2023-10-05T14:00:00Z'),

    status: 'in_progress',
  },
];

const ProductsData = [
  {
    name: 'Tote Bag',

    price: 5.99,

    stock_quantity: 150,

    // type code here for "images" field
  },

  {
    name: 'T-Shirt',

    price: 9.99,

    stock_quantity: 200,

    // type code here for "images" field
  },

  {
    name: 'Cap',

    price: 4.99,

    stock_quantity: 100,

    // type code here for "images" field
  },

  {
    name: 'Jacket',

    price: 19.99,

    stock_quantity: 50,

    // type code here for "images" field
  },

  {
    name: 'Shirt',

    price: 14.99,

    stock_quantity: 75,

    // type code here for "images" field
  },
];

// Similar logic for "relation_many"

async function associateInvoiceWithClient() {
  const relatedClient0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Invoice0 = await Invoices.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Invoice0?.setClient) {
    await Invoice0.setClient(relatedClient0);
  }

  const relatedClient1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Invoice1 = await Invoices.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Invoice1?.setClient) {
    await Invoice1.setClient(relatedClient1);
  }

  const relatedClient2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Invoice2 = await Invoices.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Invoice2?.setClient) {
    await Invoice2.setClient(relatedClient2);
  }

  const relatedClient3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Invoice3 = await Invoices.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Invoice3?.setClient) {
    await Invoice3.setClient(relatedClient3);
  }

  const relatedClient4 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Invoice4 = await Invoices.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (Invoice4?.setClient) {
    await Invoice4.setClient(relatedClient4);
  }
}

// Similar logic for "relation_many"

async function associateOrderWithClient() {
  const relatedClient0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order0 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Order0?.setClient) {
    await Order0.setClient(relatedClient0);
  }

  const relatedClient1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order1 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Order1?.setClient) {
    await Order1.setClient(relatedClient1);
  }

  const relatedClient2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order2 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Order2?.setClient) {
    await Order2.setClient(relatedClient2);
  }

  const relatedClient3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order3 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Order3?.setClient) {
    await Order3.setClient(relatedClient3);
  }

  const relatedClient4 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order4 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (Order4?.setClient) {
    await Order4.setClient(relatedClient4);
  }
}

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await Invoices.bulkCreate(InvoicesData);

    await Orders.bulkCreate(OrdersData);

    await Products.bulkCreate(ProductsData);

    await Promise.all([
      // Similar logic for "relation_many"

      await associateInvoiceWithClient(),

      // Similar logic for "relation_many"

      await associateOrderWithClient(),
    ]);
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.bulkDelete('invoices', null, {});

    await queryInterface.bulkDelete('orders', null, {});

    await queryInterface.bulkDelete('products', null, {});
  },
};